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 TM 5-4930-233-14
TM 4930-14/1
LUBE TANK ASSEMBLY
5-19. HIGH PRESSURE PUMP - REPAIR - (Cont.)
b.
Repair
WARNING
Clean all parts in a well ventilated area. Avoid inhaling solvent
fumes and prolonged exposure of the skin to cleaning solvent.
Failure to do so can cause severe injury or death. Do not use near
flame or excessive heat. Flash point of solvent is 100 F to 138
F
(38 to 59 ).
C
C
(1)
Clean all parts with dry cleaning solvent.
(2)
Discard and replace all gaskets and packings.
(3)
Inspect and replace any worn or damaged parts.
(4)
Inspect threaded surfaces for damage. Replace if defective.
(5)
Inspect pump rods and tubes for cracks, breaks or other defects which should prevent proper operation.
(6)
Inspect valve and valve seats for damage or wear. Replace as required.
c.
Assembly
NOTE
Steps 1 through 8 apply to assembly of pump tube (2). Proceed to
step 9 for assembly of air motor (5). Go to step 34 for pump tube
and air motor assembly, together.
(1)
Install spring retainer (92), spring (91), ball (90), gasket (89) and adapter (88). Drive in new roll pin (87).
(2)
Slide adapter (71) over primer rod (86).
(3)
Install two gaskets (85) and slide tube (72) onto piston and cylinder assembly (84).
(4)
Connect piston and cylinder assembly (84) to rod (70) with lower coupler (83) and spring clip (82).
(5)
Install guide washer (81), screw (80), three packings (79), valve body (78), gasket (77), valve seat (76), plate
(75) and stop nut (74).
5-110
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